feat: file logging on client, logs command to fetch last N lines

crates/client/src/main.rs

@@ -13,6 +13,7 @@ use base64::Engine;
 use helios_common::{ClientMessage, ServerMessage};
 use uuid::Uuid;
 
+mod logger;
 mod shell;
 mod screenshot;
 mod input;
@@ -76,21 +77,27 @@ macro_rules! log_status {
 }
 
 macro_rules! log_ok {
-    ($($arg:tt)*) => {
-        println!("  {}\t{}", "✅", format!($($arg)*));
-    };
+    ($($arg:tt)*) => {{
+        let msg = format!($($arg)*);
+        println!("  {}\t{}", "✅", msg);
+        logger::write_line("OK", &msg);
+    }};
 }
 
 macro_rules! log_err {
-    ($($arg:tt)*) => {
-        println!("  {}\t{}", "❌", format!($($arg)*));
-    };
+    ($($arg:tt)*) => {{
+        let msg = format!($($arg)*);
+        println!("  {}\t{}", "❌", msg);
+        logger::write_line("ERROR", &msg);
+    }};
 }
 
 macro_rules! log_cmd {
-    ($emoji:expr, $($arg:tt)*) => {
-        println!("  {}\t{}", $emoji, format!($($arg)*));
-    };
+    ($emoji:expr, $($arg:tt)*) => {{
+        let msg = format!($($arg)*);
+        println!("  {}\t{}", $emoji, msg);
+        logger::write_line("CMD", &msg);
+    }};
 }
 
 // ────────────────────────────────────────────────────────────────────────────
@@ -173,6 +180,7 @@ async fn main() {
     // Enable ANSI color codes on Windows (required when running as admin)
     #[cfg(windows)]
     enable_ansi();
+    logger::init();
 
     // Suppress tracing output by default
     if std::env::var("RUST_LOG").is_err() {
@@ -558,6 +566,13 @@ async fn handle_message(
             }
         }
 
+        ServerMessage::LogsRequest { request_id, lines } => {
+            log_cmd!("📜", "logs (last {lines} lines)");
+            let content = logger::tail(lines);
+            let log_path = logger::get_log_path();
+            ClientMessage::LogsResponse { request_id, content, log_path }
+        }
+
         ServerMessage::UploadRequest { request_id, path, content_base64 } => {
             log_cmd!("⬆ ", "upload → {}", path);
             match (|| -> Result<(), String> {